GC–MS evaluation of Cymbopogon citratus (DC) Stapf oil obtained using modified hydrodistillation and microwave extraction methods

•Bioactive compounds of Cymbopogon citratus oils were identified.•Analyses of the oils revealed 7, 16, 22, and 15 compounds in the various media respectively.•Total yield of volatile fractions was 0.73%, 0.64%, 0.70%, and 0.45% in different media respectively.•Citral was found to be the major compon...

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Published inFood chemistry Vol. 209; pp. 262 - 266
Main Authors Ajayi, E.O., Sadimenko, A.P., Afolayan, A.J.
Format Journal Article
LanguageEnglish
Published England Elsevier Ltd 15.10.2016
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Abstract •Bioactive compounds of Cymbopogon citratus oils were identified.•Analyses of the oils revealed 7, 16, 22, and 15 compounds in the various media respectively.•Total yield of volatile fractions was 0.73%, 0.64%, 0.70%, and 0.45% in different media respectively.•Citral was found to be the major component and was found to be highest in the base-distilled medium.•High molecular alkanes were obtained specially by the microwave method. Bioactive compounds of Cymbopogon citratus essential oil, using different media have been tentatively identified with the aid of gas chromatography–mass spectrometry (GC–MS). Hydrodistillation was complemented using weakly acidic and alkaline media for the oil extraction. Solvent-free microwave extraction (SFME) was also used. Analyses of the oils revealed the presence of 7, 16, 22, and 15 compounds in the water-distilled (WD), microwave-distilled (MD), acid-distilled (AD), and base-distilled (BD), essential oils, respectively. Total yield of the volatile fractions was 0.73%, 0.64%, 0.70%, and 0.45%, respectively. Citral was found to be the major component, the base extraction having the highest content. This was followed by 2-isopropenyl-5-methylhex-4-enal, p-cymene, and 2-thujene. The antimicrobial, antibacterial, and antioxidant activities and assessment of medicinal/nutritional uses of the essential oils are subjects of future studies.
AbstractList Bioactive compounds of Cymbopogon citratus essential oil, using different media have been tentatively identified with the aid of gas chromatography–mass spectrometry (GC–MS). Hydrodistillation was complemented using weakly acidic and alkaline media for the oil extraction. Solvent-free microwave extraction (SFME) was also used. Analyses of the oils revealed the presence of 7, 16, 22, and 15 compounds in the water-distilled (WD), microwave-distilled (MD), acid-distilled (AD), and base-distilled (BD), essential oils, respectively. Total yield of the volatile fractions was 0.73%, 0.64%, 0.70%, and 0.45%, respectively. Citral was found to be the major component, the base extraction having the highest content. This was followed by 2-isopropenyl-5-methylhex-4-enal, p-cymene, and 2-thujene. The antimicrobial, antibacterial, and antioxidant activities and assessment of medicinal/nutritional uses of the essential oils are subjects of future studies.
Bioactive compounds of Cymbopogon citratus essential oil, using different media have been tentatively identified with the aid of gas chromatography-mass spectrometry (GC-MS). Hydrodistillation was complemented using weakly acidic and alkaline media for the oil extraction. Solvent-free microwave extraction (SFME) was also used. Analyses of the oils revealed the presence of 7, 16, 22, and 15 compounds in the water-distilled (WD), microwave-distilled (MD), acid-distilled (AD), and base-distilled (BD), essential oils, respectively. Total yield of the volatile fractions was 0.73%, 0.64%, 0.70%, and 0.45%, respectively. Citral was found to be the major component, the base extraction having the highest content. This was followed by 2-isopropenyl-5-methylhex-4-enal, p-cymene, and 2-thujene. The antimicrobial, antibacterial, and antioxidant activities and assessment of medicinal/nutritional uses of the essential oils are subjects of future studies.Bioactive compounds of Cymbopogon citratus essential oil, using different media have been tentatively identified with the aid of gas chromatography-mass spectrometry (GC-MS). Hydrodistillation was complemented using weakly acidic and alkaline media for the oil extraction. Solvent-free microwave extraction (SFME) was also used. Analyses of the oils revealed the presence of 7, 16, 22, and 15 compounds in the water-distilled (WD), microwave-distilled (MD), acid-distilled (AD), and base-distilled (BD), essential oils, respectively. Total yield of the volatile fractions was 0.73%, 0.64%, 0.70%, and 0.45%, respectively. Citral was found to be the major component, the base extraction having the highest content. This was followed by 2-isopropenyl-5-methylhex-4-enal, p-cymene, and 2-thujene. The antimicrobial, antibacterial, and antioxidant activities and assessment of medicinal/nutritional uses of the essential oils are subjects of future studies.
•Bioactive compounds of Cymbopogon citratus oils were identified.•Analyses of the oils revealed 7, 16, 22, and 15 compounds in the various media respectively.•Total yield of volatile fractions was 0.73%, 0.64%, 0.70%, and 0.45% in different media respectively.•Citral was found to be the major component and was found to be highest in the base-distilled medium.•High molecular alkanes were obtained specially by the microwave method. Bioactive compounds of Cymbopogon citratus essential oil, using different media have been tentatively identified with the aid of gas chromatography–mass spectrometry (GC–MS). Hydrodistillation was complemented using weakly acidic and alkaline media for the oil extraction. Solvent-free microwave extraction (SFME) was also used. Analyses of the oils revealed the presence of 7, 16, 22, and 15 compounds in the water-distilled (WD), microwave-distilled (MD), acid-distilled (AD), and base-distilled (BD), essential oils, respectively. Total yield of the volatile fractions was 0.73%, 0.64%, 0.70%, and 0.45%, respectively. Citral was found to be the major component, the base extraction having the highest content. This was followed by 2-isopropenyl-5-methylhex-4-enal, p-cymene, and 2-thujene. The antimicrobial, antibacterial, and antioxidant activities and assessment of medicinal/nutritional uses of the essential oils are subjects of future studies.
Author Afolayan, A.J.
Ajayi, E.O.
Sadimenko, A.P.
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Keywords 2-Methylbenzoxazole (PubChem CID: 7225)
Tricontane (PubChem CID: 12535)
Solvent free microwave extraction
Geranyl butanoate (PubChem CID: 5355856)
2-Undecanone (PubChem CID: 8163)
Cymbopogon citratus
1,3,8-p-Menthatriene (PubChem CID: 176983)
Cis-citral (PubChem CID: 643779)
2,3-Epoxy-geranylacetate (PubChem CID: 536453)
m-Toluamide (PubChem CID: 69253)
p-Cymene (PubChem CID: 7463)
Essential oil
Modified hydrodistillation
Trans-citral (PubChem CID: 638011)
2-Octanone (PubChem CID: 8093)
Language English
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Snippet •Bioactive compounds of Cymbopogon citratus oils were identified.•Analyses of the oils revealed 7, 16, 22, and 15 compounds in the various media...
Bioactive compounds of Cymbopogon citratus essential oil, using different media have been tentatively identified with the aid of gas chromatography-mass...
Bioactive compounds of Cymbopogon citratus essential oil, using different media have been tentatively identified with the aid of gas chromatography–mass...
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SubjectTerms antioxidant activity
citral
Cymbopogon - chemistry
Cymbopogon citratus
Distillation - methods
Essential oil
essential oils
gas chromatography-mass spectrometry
Gas Chromatography-Mass Spectrometry - methods
Humans
hydrodistillation
Microwaves
Modified hydrodistillation
Monoterpenes - analysis
oils
Oils, Volatile - chemistry
p-cymene
Plant Extracts - chemistry
Plant Oils - chemistry
Solvent free microwave extraction
Title GC–MS evaluation of Cymbopogon citratus (DC) Stapf oil obtained using modified hydrodistillation and microwave extraction methods
URI https://dx.doi.org/10.1016/j.foodchem.2016.04.071
https://www.ncbi.nlm.nih.gov/pubmed/27173561
https://www.proquest.com/docview/1789036886
https://www.proquest.com/docview/1836620432
Volume 209
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